package org.juggers.client.ui;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.juggers.client.JuggersMessages;

import com.google.gwt.dom.client.Document;
import com.google.gwt.i18n.client.BidiUtils;
import com.google.gwt.i18n.client.HasDirection;
import com.google.gwt.user.client.ui.ComplexPanel;
import com.google.gwt.user.client.ui.FocusWidget;
import com.google.gwt.user.client.ui.HasHTML;
import com.google.gwt.user.client.ui.HasText;
import com.google.gwt.user.client.ui.HasWordWrap;
import com.google.inject.Inject;
import com.google.inject.Singleton;

/**
 * Menu
 * 
 * @author <a href="mailto:michel@breizhjug.org">Michel DAVID</a>
 */
@Singleton
public class Menu
    extends ComplexPanel
{

    @Inject
    public Menu( JuggersMessages messages )
    {
        setElement( Document.get().getElementById( "menu" ) );

        add( new MenuItem( messages.menuJugs() ) );
        add( new MenuItem( messages.menuCalendar() ) );
        add( new MenuItem( messages.menuNews() ) );
        add( new MenuItem( messages.menuSpeakers() ) );
        add( new MenuItem( messages.menuContact() ) );
    }

    /**
     * Add a child
     * 
     * @param child Child
     */
    public void add( MenuItem menuItem )
    {
        add( menuItem, getElement() );
    }

    /**
     * Menu Item
     * 
     * @author <a href="mailto:michel@breizhjug.org">Michel DAVID</a>
     */
    private class MenuItem
        extends FocusWidget
        implements HasText, HasHTML, HasWordWrap, HasDirection
    {

        public MenuItem()
        {
            super( Document.get().createLIElement() );
        }

        public MenuItem( String text )
        {
            this( text, false );
        }

        public MenuItem( String text, boolean asHTML )
        {
            this();
            if ( asHTML )
            {
                setHTML( text );
            }
            else
            {
                setText( text );
            }
        }

        @Override
        public String getText()
        {
            return getElement().getInnerText();
        }

        @Override
        public void setText( String text )
        {
            getElement().setInnerText( text );
        }

        @Override
        public String getHTML()
        {
            return getElement().getInnerHTML();
        }

        @Override
        public void setHTML( String html )
        {
            getElement().setInnerHTML( html );
        }

        @Override
        public boolean getWordWrap()
        {
            return !getElement().getStyle().getProperty( "whiteSpace" ).equals( "nowrap" );
        }

        @Override
        public void setWordWrap( boolean wrap )
        {
            getElement().getStyle().setProperty( "whiteSpace", wrap ? "normal" : "nowrap" );
        }

        @Override
        public Direction getDirection()
        {
            return BidiUtils.getDirectionOnElement( getElement() );
        }

        @Override
        public void setDirection( Direction direction )
        {
            BidiUtils.setDirectionOnElement( getElement(), direction );
        }
    }
}
